Home / 13,863.87-19,132.20-7,576.38

Finding the Fourth Proportional to 13,863.87, 19,132.20 and 7,576.38

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Solution

The fourth proportional to 13,863.87, 19,132.20 and 7,576.38 is: 10,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.87 : 19,132.20 = 7,576.38 : x
  2. Step 2: Convert to fraction form
    13,863.87/19,132.20 = 7,576.38/x
  3. Step 3: Cross multiply
    13,863.87x = 19,132.20 × 7,576.38
  4. Step 4: Simplify right side
    13,863.87x = 144,952,817.44
  5. Step 5: Solve for x
    x = 144,952,817.44/13,863.87
  6. Step 6: Final answer
    x = 10,455.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.